The Yamaha DT125R, produced in 1988, is a versatile dual-sport and enduro motorcycle designed for off-road enthusiasts and light trail riding. This model exemplifies Yamaha's commitment to performance and durability, featuring a liquid-cooled, 2-stroke, single-cylinder engine known for its favorable power-to-weight ratio. Its advanced suspension system, including telescopic front forks and a rear Monocross setup, ensures capable handling across varied terrain. The DT125R is recognized for its rugged construction and rider-friendly ergonomics, making it a reliable choice for riders seeking an engaging off-road experience.

This comprehensive service repair manual in English provides detailed guidance for the maintenance and repair of the 1988 Yamaha DT125R. It covers all essential systems, including the engine, fuel, ignition, transmission, suspension, brakes, electrical components, chassis, and bodywork. The manual offers step-by-step instructions for routine maintenance, troubleshooting common issues, and performing complex repair procedures. It also includes essential technical specifications, torque values, and information on special tools, empowering owners and technicians to effectively service and maintain the vehicle for optimal performance and longevity.